PURPOSE: To suppress the influence of electromagnetic disturbing waves from the external by shielding a feeder waveguide and a primary radiator projected from a frame ground enclosure through an insulator.
CONSTITUTION: A feeder waveguide 10 and a primary radiator 3 are subjected to signal ground SG and are set to the same potential as a radio equipment body case 1. Parts of the primary radiator 3 and the feeder waveguide 10 projected from a frame ground enclosure 2 are shielded through an insulator 12 by a shield conductor 11. The shield conductor 11 is connected to the frame ground enclosure 2 and is subjected to frame ground FG. Since the primary radiator and the feeder waveguide are shielded by an outside peripheral metallic layer, the influence of electromagnetic disturbing waves from the external is suppressed.
| JPH0638312 | [Name of device] Antenna angle adjusting device |
| WO/2022/142057 | ANTENNA OSCILLATOR AND ANTENNA |
| JPH10322115 | ANTENNA-ATTACHING STRUCTURE |
DOI YOSHIKAZU
TSUKAGOSHI KENJU
SAGI YASUO
